an interact with sb
interact 作名词时可数，用单数时常接 with，表示与某人的一次互动行为。
Every interact with a customer left her more confident.
每一次与顾客的互动都让她更自信。
互动；相互作用
interacts — plural of interact
一对或一系列涉及多人的行为；幕间剧；幕间休息
一对或一系列涉及多人的行为
A pair or series of acts involving more than one person.
The opening interact of the play showed the two neighbors arguing over a fence.
该剧开场的一组互动戏展示了两位邻居隔着栅栏争吵的情景。
用法提示：此句中 interact 是名词，表示一出戏里由多人参与的一组互动表演。
At the training session, each interact ended with a short group discussion.
在培训课上，每一次互动环节都以简短的小组讨论结束。
用法提示：此处 interact 为名词，指培训中每个涉及多人的互动环节。
The teacher planned an interact that required every student to take a turn.
老师设计了一个需要每个学生轮流参与的互动活动。
用法提示：此句中 interact 作名词，表示一个要求多人轮流参与的活动。
interact 作名词时可数，用单数时常接 with，表示与某人的一次互动行为。
Every interact with a customer left her more confident.
每一次与顾客的互动都让她更自信。
复数 interacts 常与 between 连用，指两方之间发生的一系列行为，语域偏学术或书面。
The study analysed the interacts between teachers and students.
这项研究分析了教师与学生之间的互动行为。
可用 a series of 等量词短语修饰，强调多个连续发生的互动行为。
What began as one greeting became a series of interacts.
起初只是一声问候，后来变成了一系列互动行为。
grammar · medium
易错句子The two groups had three short interact during the study.
正确表达The two groups had three short interacts during the study.
interact 作名词时为可数名词，复数形式是 interacts。基数词 three 后面的名词必须用复数形式，不能说 three interact；汉语里的“三次互动”词形不变，因此学习者容易漏掉复数 -s。
grammar · medium
易错句子The interact between the two teams were brief.
正确表达The interact between the two teams was brief.
此处 interact 是单数名词作主语，谓语必须用单数 was。汉语没有主谓数的一致，学习者常因为“互动”牵涉双方而误用复数谓语 were。
一次互动
The observer noted a single interact between the mother and her child.
观察者注意到了母亲和孩子之间的一次互动。
观察一次互动
Researchers observed an interact between two strangers in the waiting room.
研究人员观察了两名陌生人在候诊室里的一次互动。
对一次互动进行编码
Each interact was coded for signs of cooperation.
每一次互动都按合作迹象进行了编码。
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